Compared with young adults,older adults are especially likely to

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As people age, they tend to experience a decline in the amount and quality of deep sleep they receive. This is sometimes referred to as sleep fragmentation, and can result in more frequent awakenings during the night and increased daytime fatigue. In contrast, older adults may actually spend more time in stage 1 of NREM sleep, which is characterized by light, transitional sleep. However, overall, the amount of time spent in deep sleep tends to decrease with age. Paradoxical sleep, also known as REM sleep, remains relatively consistent across the lifespan. The duration of the sleep cycle does not appear to be significantly affected by aging.

Compared with Young Adults,older Adults Are Especially Likely to